This article presents a theoretical and empirical model to examine competition in physician private practices implementing a conjectural variation framework. Our study uses the 1998 American Medical Association Physician Socioeconomic Monitoring Survey and tests for collusion and market power in...

Rates of productivity growth slowed following the global financial crisis in nearly all OECD countries. Diverse national productivity performances are aggregates of the productivity performances of individual producers, which are influenced by organizational factors such as the quality of...